Polar vortex reportedly causes ‘frost quakes’ in Chicago: What is the geological phenomenon?

Admin February 01, 2019

Polar vortex reportedly causes ‘frost quakes’ in Chicago: What is the geological phenomenon?



Freezing temperatures in Chicago have reportedly caused a loud, ground-shaking phenomenon to occur: So-called “frost quakes.”

via FOX NEWS https://fxn.ws/2UzchMF

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